Home / 231,574.14-319,632.39-131,030.46

Finding the Fourth Proportional to 231,574.14, 319,632.39 and 131,030.46

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Solution

The fourth proportional to 231,574.14, 319,632.39 and 131,030.46 is: 180,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,574.14 : 319,632.39 = 131,030.46 : x
  2. Step 2: Convert to fraction form
    231,574.14/319,632.39 = 131,030.46/x
  3. Step 3: Cross multiply
    231,574.14x = 319,632.39 × 131,030.46
  4. Step 4: Simplify right side
    231,574.14x = 41,881,579,092.60
  5. Step 5: Solve for x
    x = 41,881,579,092.60/231,574.14
  6. Step 6: Final answer
    x = 180,856.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.